TEXAS · WELLS · MARION COUNTY · MONTGOMERY UNIT LEASE · API 42-315-30497 · DISTRICT 06
Montgomery Unit #1
Marion County · Lassater (Travis Peak Gas) field · Vertical
Montgomery Unit #1 (API 42-315-30497) is a plugged well in Marion County, plugged March 22, 2010, last operated by Devon Energy Production CO L.P..
The RRC has issued one drilling permit, issued January 25, 1978, permitted to 9,300 ft.
It was permitted by Mobil Oil Corporation and has since transferred to Devon Energy Production CO L.P. on the wellbore schedule.
Operator of record
Devon Energy Production Co L.P.
Permitted by Mobil Oil Corporation; the EWA schedule now lists a different operator.
- Based in
- Oklahoma City, OK
- P-5 status
- Active (A)
- P-5 last filed
- Dec 18, 2025
- Permits on file
- 9,266
- Phone
- (405) 235-3611
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Devon Energy Production Co L.P. |
| Production reports | Devon Energy Production Co, L.P.through Feb 2008 |
| Latest permit | Mobil Oil CorporationJan 25, 1978 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,300
- total depth, ft
- 1
- permits on file
- Jan 25, 1978
- last permit issued
- Sep 16, 1978
- completed
- 0
- cumulative oil, bbl
- 583K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 16, 1978
- Shut in
- —
- Plugged
- Mar 22, 2010
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Montgomery Unit G-6-78717 | Lassater (Travis Peak, Gas) | Devon Energy Production Co, L.P. | 1 | 0 | 583K | Jan 1993 – Mar 2010 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mitchell Energy CorporationJan 1993 → Dec 2000
- 2Mitchell Energy Company L.P.Jan 2001 → Mar 2002
- 3Devon Energy Operating Co., L.P.Apr 2002 → Jul 2004
- 4Devon Energy Production Co, L.P.Aug 2004 → Feb 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 16998-99 | Drill | Mobil Oil Corporation | Jan 25, 1978 | Jan 25, 1978 | May 27, 1978 | 9,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 16, 1978 | Montgomery Unit G-6-78717 | Lassater (Travis Peak Gas) | Devon Energy Production Co L.P. | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,797 | 7,819 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 14 | 40 | 12.25 | — |
| 5.5 | 920 | 7.875 | 760 S |
| 8.625 | 1,240 | 12.25 | 720 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 12, 1984 | Oct 4, 1978 | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-315-30497 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-315-30497 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/31530497, documented in the API reference.